Radeon R7 265 PowerColor TurboDuo OC 2GB Edition is a special edition of the fast-middle-class Radeon R7 265. This edition comes with a custom cooling system and is overclocked out of the box, whereas central unit now runs at 930MHz, the Boost clock reaches 955MHz.Benchmarks indicate a 1% performance boost over the standard edition and so GeForce GTX 660 is still faster.